
\usepackage{threeparttable}

\begin{table}
\caption{Treatment effects on support for non-citizen local voting rights among Republicans in Pooled sample}
\begin{center}
\begin{threeparttable}
\begin{tabular}{l c c c c c c c c}
\hline
 & \multicolumn{1}{c}{vote US} & \multicolumn{1}{c}{vote own} & \multicolumn{1}{c}{gov dec} & \multicolumn{1}{c}{more info} & \multicolumn{1}{c}{vote US} & \multicolumn{1}{c}{vote own} & \multicolumn{1}{c}{gov dec} & \multicolumn{1}{c}{more info} \\
\cline{2-2} \cline{3-3} \cline{4-4} \cline{5-5} \cline{6-6} \cline{7-7} \cline{8-8} \cline{9-9}
 & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) \\
\hline
control            & $1.807^{*}$         & $1.845^{*}$         & $1.854^{*}$         & $0.214^{*}$        & $1.457^{*}$         & $1.595^{*}$         & $1.744^{*}$         & $0.117^{*}$         \\
                   & $ [ 1.734;  1.880]$ & $ [ 1.770;  1.920]$ & $ [ 1.778;  1.930]$ & $ [ 0.188; 0.239]$ & $ [ 1.173;  1.742]$ & $ [ 1.313;  1.876]$ & $ [ 1.454;  2.034]$ & $ [ 0.016;  0.217]$ \\
co-partisan        & $0.221^{*}$         & $0.254^{*}$         & $0.247^{*}$         & $0.004$            & $0.208^{*}$         & $0.240^{*}$         & $0.238^{*}$         & $0.006$             \\
                   & $ [ 0.114;  0.328]$ & $ [ 0.145;  0.363]$ & $ [ 0.137;  0.357]$ & $ [-0.032; 0.040]$ & $ [ 0.107;  0.309]$ & $ [ 0.137;  0.343]$ & $ [ 0.133;  0.343]$ & $ [-0.030;  0.042]$ \\
counter-partisan   & $-0.160^{*}$        & $-0.165^{*}$        & $-0.147^{*}$        & $-0.007$           & $-0.169^{*}$        & $-0.176^{*}$        & $-0.154^{*}$        & $-0.005$            \\
                   & $ [-0.259; -0.061]$ & $ [-0.267; -0.064]$ & $ [-0.251; -0.043]$ & $ [-0.043; 0.028]$ & $ [-0.262; -0.077]$ & $ [-0.270; -0.082]$ & $ [-0.252; -0.056]$ & $ [-0.040;  0.030]$ \\
college            &                     &                     &                     &                    & $-0.093^{*}$        & $-0.095^{*}$        & $-0.092^{*}$        & $-0.038^{*}$        \\
                   &                     &                     &                     &                    & $ [-0.175; -0.010]$ & $ [-0.178; -0.011]$ & $ [-0.178; -0.006]$ & $ [-0.068; -0.008]$ \\
male               &                     &                     &                     &                    & $-0.049$            & $-0.079$            & $-0.084$            & $-0.026$            \\
                   &                     &                     &                     &                    & $ [-0.129;  0.031]$ & $ [-0.160;  0.003]$ & $ [-0.169;  0.000]$ & $ [-0.055;  0.003]$ \\
white              &                     &                     &                     &                    & $-0.153$            & $-0.165$            & $-0.162$            & $-0.072^{*}$        \\
                   &                     &                     &                     &                    & $ [-0.323;  0.017]$ & $ [-0.334;  0.004]$ & $ [-0.335;  0.011]$ & $ [-0.134; -0.011]$ \\
latino             &                     &                     &                     &                    & $0.020$             & $0.038$             & $-0.033$            & $0.002$             \\
                   &                     &                     &                     &                    & $ [-0.159;  0.199]$ & $ [-0.143;  0.219]$ & $ [-0.212;  0.146]$ & $ [-0.059;  0.064]$ \\
strong partisan    &                     &                     &                     &                    & $-0.161^{*}$        & $-0.163^{*}$        & $-0.117^{*}$        & $-0.039^{*}$        \\
                   &                     &                     &                     &                    & $ [-0.249; -0.073]$ & $ [-0.253; -0.074]$ & $ [-0.208; -0.026]$ & $ [-0.072; -0.007]$ \\
employed           &                     &                     &                     &                    & $0.132^{*}$         & $0.106^{*}$         & $0.122^{*}$         & $0.040^{*}$         \\
                   &                     &                     &                     &                    & $ [ 0.052;  0.212]$ & $ [ 0.025;  0.187]$ & $ [ 0.037;  0.206]$ & $ [ 0.011;  0.069]$ \\
married/partner    &                     &                     &                     &                    & $-0.119^{*}$        & $-0.139^{*}$        & $-0.144^{*}$        & $-0.021$            \\
                   &                     &                     &                     &                    & $ [-0.204; -0.034]$ & $ [-0.226; -0.052]$ & $ [-0.234; -0.054]$ & $ [-0.052;  0.010]$ \\
attitudes migrants &                     &                     &                     &                    & $0.273^{*}$         & $0.292^{*}$         & $0.258^{*}$         & $0.035^{*}$         \\
                   &                     &                     &                     &                    & $ [ 0.237;  0.309]$ & $ [ 0.256;  0.329]$ & $ [ 0.222;  0.295]$ & $ [ 0.023;  0.047]$ \\
native born        &                     &                     &                     &                    & $0.067$             & $0.020$             & $-0.033$            & $-0.013$            \\
                   &                     &                     &                     &                    & $ [-0.065;  0.200]$ & $ [-0.117;  0.157]$ & $ [-0.177;  0.110]$ & $ [-0.061;  0.035]$ \\
interest politics  &                     &                     &                     &                    & $0.007$             & $-0.005$            & $-0.019$            & $0.039^{*}$         \\
                   &                     &                     &                     &                    & $ [-0.033;  0.046]$ & $ [-0.046;  0.035]$ & $ [-0.060;  0.023]$ & $ [ 0.025;  0.053]$ \\
\hline
cov                & no                  & no                  & no                  & no                 & yes                 & yes                 & yes                 & yes                 \\
Adj. R$^2$         & $0.016$             & $0.019$             & $0.016$             & $-0.001$           & $0.124$             & $0.136$             & $0.107$             & $0.030$             \\
Num. obs.          & $3136$              & $3136$              & $3136$              & $3050$             & $3136$              & $3136$              & $3136$              & $3050$              \\
\hline
\end{tabular}
\begin{tablenotes}[flushleft]
\scriptsize{\item Presents estimates of average treatment effects and heteroskedasticity-consistent 95% CIs without and with covariate adjustment for the Pooled sample (pooling together Study 1 and Study 2). The sample includes Republican registered voters who answered covariate and outcome questions. 
 $^*$ Null hypothesis value outside the confidence interval.}
\end{tablenotes}
\end{threeparttable}
\label{table:ols_pooled_rep}
\end{center}
\end{table}
